Timezone aware datetime fix.
fixing the base test connection
Merge branch 'master' of git://github.com/pandu-rao/cqlengine into pull-42
adding check to update statement to avoid failure on update from None
adding additional tests around map column updates
Merge branch 'master' of git://github.com/gdoermann/cqlengine into pull-43
added test for date time column with tzinfo
updating pypi description
updating changelog
Fixed issue where BaseModel as_dict was not converting values to native Python collection types